package com.guo.boot.study.thread;

/**
 * @author HeartGuo
 * @date 2021/12/22 0022 - 21:32
 */
//模拟龟兔赛跑
public class TestThreadRace implements Runnable {
    //胜利者
    private String winner;
    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {
            //模拟兔子睡觉
            if (Thread.currentThread().getName().equals("兔子")){
                try {
                    Thread.sleep((long) 0.0001);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            //判断比赛是否结束
            boolean flag = gameOver(i);
            //如果比赛结束，就停止程序
            if (flag){
                break;
            }
            System.out.println(Thread.currentThread().getName()+"跑了"+i+"步");
        }
    }
    //判断是否完成比赛
    private boolean gameOver(int steps){
        //判断是否有胜利者
        if(winner!=null){//已经有胜利者
            return true;
        }
        if(steps>=100){
            winner = Thread.currentThread().getName();
            System.out.println("winner is:"+winner);
            return true;
        }
        return false;
    }

    public static void main(String[] args) {
        TestThreadRace race = new TestThreadRace();

        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();
    }
}
